Chain jumps on hills

jlykins · 07-04-2009, 04:58 PM

Hello, My chain junps off the small chainring when cranking up hill in low gear?<br />
I'll be standing up cranking pretty good all of a sudden the gears/chaing get tight and then the chain jumps off? (Shimano Ultegra) any thoughts?<br />
Thanks,<br />
Jeff

DaveM · 07-06-2009, 11:29 AM

Probably worn chain/cassette/chainring. What do you mean the chain "gets tight"? Maybe the derailleur is mis-adjusted and knocking the chain off to the inside?

thepinto201 · 07-19-2009, 05:03 PM

I might be having a similar problem, but on my mtn bike.
http://forums.bikeride.com/topic/740
Is your problem anything like this?

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